%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MIT License
%
% Copyright (c) 2016 Microsoft
%
% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the "Software"), to deal
% in the Software without restriction, including without limitation the rights
% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
% copies of the Software, and to permit persons to whom the Software is
% furnished to do so, subject to the following conditions:
%
% The above copyright notice and this permission notice shall be included in
% all copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
% THE SOFTWARE.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

NN = 12*2.^(0:6);
rng(0);
data = (randi(2,1,sum(NN))*2-3 + i*(randi(2,1,sum(NN))*2-3))/sqrt(2)*2^13;
start = 0;
fi = fopen('test_c_dft.infile', 'w');
start = 0;

Y = [];
for N=NN
  X = data(start + (1:(N)));
  fprintf(fi,'%d,', floor([real(X); imag(X)]));
  X = X/2^13;
  start = start + N;
  
  c = 512 / (N/12);
  Y=[Y, fft(X)*c];
end

f = fopen('test_c_dft.outfile.ground', 'w');
Y = floor([real(Y); imag(Y)]);
Y = abs(Y) + 10;
fprintf(f,'%d,', Y);
fclose(f);
fclose(fi);

